xref: /llvm-project/polly/test/CodeGen/error-stmt-in-non-affine-region.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -S -passes=polly-codegen < %s | FileCheck %s
2; XFAIL: *
3;
4; CHECK-LABEL: polly.stmt.if.then:
5; CHECK-NEXT:   unreachable
6;
7;    void f(int *A, int N) {
8;      for (int i = 0; i < 1024; i++)
9;        if (i == N) {
10;          if (A[i])
11;            abort();
12;          else
13;            A[i] = i;
14;        }
15;    }
16;
17target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
18
19define void @f(ptr %A, i64 %N) {
20entry:
21  br label %for.cond
22
23for.cond:                                         ; preds = %for.inc, %entry
24  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
25  %cmp = icmp slt i64 %indvars.iv, 1024
26  br i1 %cmp, label %for.body, label %for.end
27
28for.body:                                         ; preds = %for.cond
29  %arrayidx = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
30  %tmp = load i32, ptr %arrayidx, align 4
31  %cmp.outer = icmp eq i64 %indvars.iv, %N
32  br i1 %cmp.outer, label %if.then.outer, label %for.inc
33
34if.then.outer:
35  %tobool = icmp eq i32 %tmp, 0
36  br i1 %tobool, label %if.else, label %if.then
37
38if.then:                                          ; preds = %for.body
39  call void @abort()
40  unreachable
41
42if.else:                                          ; preds = %for.body
43  %arrayidx2 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
44  %tmp1 = trunc i64 %indvars.iv to i32
45  store i32 %tmp1, ptr %arrayidx2, align 4
46  br label %if.end
47
48if.end:                                           ; preds = %if.else
49  br label %for.inc
50
51for.inc:                                          ; preds = %if.end
52  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
53  br label %for.cond
54
55for.end:                                          ; preds = %for.cond
56  ret void
57}
58
59declare void @abort()
60